Fixed IR CO2 Gas Detector/Transmitter, 1.New IR CO2 sensor, optional range:0-20000ppm,0-50000ppm 2. IP66,ExdIICT5,CE mark Detailed Product Description high precision, good linearity, stable performance with infrared remote control explosion-proof design segment digital displaysolid structure, can be adapted to the hard environment SpecificationsModelTGAS-1031Measuring gasCH4,coal Gas, alcohol,oil ...